Home / 966,246.80-1,442,863.40-789,105.20

Finding the Fourth Proportional to 966,246.80, 1,442,863.40 and 789,105.20

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Solution

The fourth proportional to 966,246.80, 1,442,863.40 and 789,105.20 is: 1,178,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,246.80 : 1,442,863.40 = 789,105.20 : x
  2. Step 2: Convert to fraction form
    966,246.80/1,442,863.40 = 789,105.20/x
  3. Step 3: Cross multiply
    966,246.80x = 1,442,863.40 × 789,105.20
  4. Step 4: Simplify right side
    966,246.80x = 1,138,571,011,829.68
  5. Step 5: Solve for x
    x = 1,138,571,011,829.68/966,246.80
  6. Step 6: Final answer
    x = 1,178,343.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.